Incubator



Aug. 25', 1925.

1\ J. VVPiFTE INCUBATOR Filed Jan. 15.

Fig. Z.

2 Sheets-Sheet 1 A. J. WHITE INGUBATOR Filed Jan. 15, 1924 2Sheets-Sheet 2 7 M- I g llll Patented Au. 25, 1925.

PATENT orrres.

ALEXANDEBJOHN WHITE, OF HERTFORD, ENGLAND.

rncuearon.

Application filed January 15, 1924 Serial No. 686,247.

To all whom it may concern:

Be it known that I, ALEXANDER JOHN Vl I-IITE, a subject of the 'King ofGreat Britain, and resident of Hertford, England, have invented certainnew and useful Improvements in Incubators, of which the .following is aspecification.

The objectsof thepresent invention are to provide simple meanswherebythe capacity of an incubator can be readily increased to accommodate anincreased number of eggs, to provide improved means whereby the severalcompartments containing the eggs may be readily maintained at a suitabletemperature themanipulation of such means being eifected from theexterior of each compartment and furthermore to preserve a cool base tothe tray containing the eggs to be hatched.

ith these objects in View according to my present invention, Isoconstruct a number of elements each containing removable trays for thereception of the eggs, that any number of such according to the capacityof incubator required maybe superimposed upon one another, forming whatmay be termed an expanding incubator, eachof said elements beingprovided with-hollow walls that form means, when the elements aresuperimposed, for conveying the heated air upwardly from the heatingchamber in the base beneath the lowest element,'and each elementcarrying dampers for passing a regulatable quantity of heated air intoeach compartment and over the eggs 011 the tray therein; moreover eachof said elements is so formed that there is an air space he neath eachtray that communicates with the outer atmosphere by an opening providedin front of each element, so as to preserve a cool base to the traycontaining the eggs to be hatched.

In order that my invention may be clearly understood reference may nowbe had to the accompanying drawings in which:

Figure 1 is a view in part section and part front elevation and Figure 2a sectional plan of one of the four similar parts of each incubatorelement.

Figure 3 is an elevation of a built up in cubator, the base and one ofthe lower compartments being shown in section.

Figure 4 is a plan view of Figure 3, the right hand compartment and thebase being in section.

Similarfreference characters relate to like parts in all thefiguresofthe drawings.

It will beobserved that according to the construction illustrated eachof the elements isof rectangular form and comprises two front and twoback compartments, any number of such elements 1, 2, 3, a and 5 beingplaced one above the other to formthe incubator as shewn in Figure 3.l/Vithin each of the aforesaid compartments: is slidably mounted a traya in which the eggs to be hatched may be placed and each of the elements'1, 2, 3 is constructed with h0llow walls 5 each of the' inner membersoof thesame beingprovided with asliding damper d on the rear of which areprovided the racks e that engage the small pinions mounted on thespindles 9 that extend through the frontiiand rear-of the framework andare provided with handles or knobs ft for their manipulation.

The front of each compartment of the elements 1, 2, 3 is provided withan ordinary hinged glazed door 2' and beneath each tray a is provided anair space j which is'in communication withthe outer atmosphere by theopeningrlc provided inthe front of each element. Above the doors 2'areprovided ventilating holes Z.

When any number of the elements de scribed above are superimposed toform an incubator of any desired capacity beneath the same is situatedan air heating element 6 divided into four chambers m the admission offresh air thereinto being regulated by any suitable means.

The chambers mare supported on the standards a and form a base for theelements l-5 aforesaid. Any convenient form of heating apparatus may beemployed in connection with the chambers m and in the drawing are shownfour ordinary oil lamps 0 each of which is provided with the well knownregulating damper p and uptake g. In connection with each of theregulators p is provided circuitous fine pipe whereby the products ofcombustion from each of the lamps 0 are conveyed through the air heatingchambers m and escape through the vent or uptake 9.

It will be obvious from what has been stated that the heated air fromthe respective chambers m of the air heating element or base 6 passesinto the hollow walls 8 of the said element that register with thehollow walls Z) of the' superimposed elements 1, 2, 3, 4:, and 5 wherebythe heated air passes into the said elements wherein are situated thetrays a containing the eggs to be hatched the dampers cl manipulated bythe handles it permitting of regulating the quantity of heated airadmitted to the individual trays (1 according to the different stages ofincubation existent,

The air spaces j and openings k preserve a cool base to the trays a thatis essential for obtaining the best results and the ventilating holes Zpermit the emission or escape of foul gases from within each of thecompartments; these holes Z ensuring a continuous flow of heated airfrom the hollow side walls 6 into the several superimposed compartmentsof the elements 1-5.

It will be understood that although the apparatus illustrated anddescribed is approximately square in form obviously the same may beconstructed of any other suitable shape and according to the size andconstruction of the heating stove or other appliance there may be oneheater employed instead of four as instanced with reference to thedrawing although obviously by the use of the several heating stoves anadvantage accrues by the practical isolation of each of the stacks ofsuperimposed elements.

What I claim is 1. An incubator comprising the combination with aheating element divided into a plurality of chambers and provided withinner and outer walls constituting a space between said walls, heatingmeans associated with each of said chambers, and means for conveying theproducts of combustion of said heating means through said chambers of aplurality of elements superimposed on said heating element each of saidsuperimposed elements comprising a pinrality of compartments and aplurality of trays each of said trays being removably and slidablymounted Within each of said compartments and each of said superimposedelements being provided with inner and outer Walls constituting a spacebetween said walls that register with the space between the inner, andouter walls of the heating element, slidable dampers mounted on saidinner walls and controlling the supply of heated air from the aforesaidspaces into each compartment and means for operating said dampers.

2. An incubator comprising the combination with a heating elementdivided into a plurality of chambers and provided with inner and outerwalls constituting a space between said walls, heating means associatedwith each of said chambers, and means for conveying the products ofcombustion of said heating means through said chambers of a plurality ofelements superimposed on said heating element each of said superimposedelements comprising a pinrality of compartments and a plurality of trayseach of said trays being removably and slidably mounted within each ofsaid compartments and each of said superimposed elements beingprovidedwith inner and outer walls constituting a space between saidwalls that register with the space between the inner and outer walls ofthe heating element, slidable dampers mounted on said inner Walls andcontrolling the sup ply of heated air from the aforesaid spaces intoeach compartment, means :t'or'operating said dampers, and means forconveying cool air to the bottom of each of said trays.

In testimony whereof I atiix my signature.

ALEXANDER JOHN WHITE.

